If you are planning to travel to Japan or visit there for a small span of time so you must go through some very common phrases which will then make your visit an easy one.
Japanese is one of the most spoken language in the world and has been popular in a big part of the world.
With around 130 million native Japanese speakers, it makes it the 9th most spoken language. It is the most space-intensive of all the most spoken languages. Even through globalization, Japanese cultures such as anime, manga, and even JPOP are becoming more popular. Thus, foreigners are interested in learning Japanese due to the spread of Japanese culture.